static void Main(string[] args) { Guid guid = Guid.NewGuid(); DateTime dateTime = DateTime.Now; User user1 = new User { Name = "nezrin", Surname = "rehimli", Age = 16, Email = "*****@*****.**", Id = guid, Password = "******" }; User user2 = new User { Name = "Leyla", Surname = "Abdullayeva", Age = 22, Email = "*****@*****.**", Id = guid, Password = "******" }; User[] Users = { user1, user2 }; Notification notification1 = new Notification { Date = dateTime, FromUser = user1, Id = guid, Text = "hello" }; Notification notification2 = new Notification { Date = dateTime, FromUser = user2, Id = guid, Text = "hello" }; Post post1 = new Post { Id = guid, Content = "hello", CreationDateTime = dateTime, LikeCount = 5, ViewCount = 4 }; Post post2 = new Post { Id = guid, Content = "hello", CreationDateTime = dateTime, LikeCount = 3, ViewCount = 1 }; Post[] posts = { post1, post2 }; Notification[] notifications = { notification1, notification2 }; Admin admin = new Admin { Id = guid, Email = "*****@*****.**", NotificationCount = 4, Username = "******", Password = "******", PostCount = 5, Notifications = notifications, Posts = posts }; Admin admin2 = new Admin { Id = guid, Email = "*****@*****.**", NotificationCount = 4, Username = "******", Password = "******", PostCount = 5, Notifications = notifications, Posts = posts }; Admin[] Admins = { admin, admin2 }; Console.WriteLine("1-User or 2-Admin"); bool isInt = int.TryParse(Console.ReadLine(), out int result); if (result == 1) { UserHelper.UserSection(Users, posts, Admins); } else if (result == 2) { AdminHelper.AdminSection(Admins, posts, Users); } else { throw new Exception(); } }